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<li class="navelem"><a class="el" href="dir_885cc87fac2d91e269af0a5a959fa5f6.html">E:</a></li><li class="navelem"><a class="el" href="dir_1156a89e522bba50a2971fe896a0c15e.html">!代码工厂</a></li><li class="navelem"><a class="el" href="dir_64066445c3883bf8de1933e8bad1a394.html">3D引擎</a></li>  </ul>
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<div class="title">cGround.h</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160; <span class="comment">// 通过测试 [5/26/2012 sinawear]</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;</div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="preprocessor">#pragma once</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#include &quot;engine_base.h&quot;</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="preprocessor">#include &quot;engine_terrain.h&quot;</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="preprocessor">#include &quot;cVertexDecl.h&quot;</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="preprocessor">#include &quot;cHeightMap.h&quot;</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="preprocessor">#include &quot;bound.h&quot;</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;</div>
<div class="line"><a name="l00015"></a><span class="lineno"><a class="code" href="classc_ground.html">   15</a></span>&#160;<span class="keyword">class </span><a class="code" href="classc_ground.html" title="基础地板，用于当参照物。 可以运行在固定管道或SHADER；">cGround</a></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;{</div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00024"></a><span class="lineno"><a class="code" href="classc_ground.html#acd40d9fcd7b0bba9a1af55e129496974">   24</a></span>&#160;        <a class="code" href="classc_ground.html#acd40d9fcd7b0bba9a1af55e129496974">cGround</a>(IDirect3DDevice9* pDevice, <span class="keyword">const</span> <a class="code" href="struct_terrain.html" title="地形配置,来主导生成地形。">Terrain</a>&amp; t):_Terrain(t)</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;        {</div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;                _pDevice =pDevice;      </div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;                _pVertexBuffer =NULL;</div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;                _pIndexBuffer =NULL;</div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;                _pMesh =NULL;</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;        }</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;        </div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;        ~<a class="code" href="classc_ground.html" title="基础地板，用于当参照物。 可以运行在固定管道或SHADER；">cGround</a>()</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;        {</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;                SAFE_RELEASE(_pIndexBuffer);</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;                SAFE_RELEASE(_pVertexBuffer);</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;                <span class="comment">// 释放掉整个网格</span></div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;                SAFE_RELEASE(_pMesh);</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;</div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;                <span class="comment">// 释放掉各子网格</span></div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;                <span class="keywordflow">for</span>(vector&lt;ID3DXMesh*&gt;::iterator i = _pSubMesh.begin(); i !=_pSubMesh.end();</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;                i++)</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;                {</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;                        SAFE_RELEASE((*i));</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;                }               </div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;        }</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;        <span class="keywordtype">void</span>    <a class="code" href="classc_ground.html#ac9e3c4a3ba0e69ea3c30d2b1c1af3775" title="用的COLOR_FVF创建顶点缓冲。">init_ground</a>(D3DXVECTOR3 Center =Zero); <span class="comment">// 兼容存在</span></div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;        <span class="keywordtype">void</span>    <a class="code" href="classc_ground.html#a9b3dcd1497270dec6e15cb62225d70d1" title="渲染网格。">draw_ground</a>(<span class="keywordtype">int</span> i); </div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;        <span class="keywordtype">void</span>    <a class="code" href="classc_ground.html#a9b3dcd1497270dec6e15cb62225d70d1" title="渲染网格。">draw_ground</a>( <a class="code" href="classc_vertex_decl.html">cVertexDecl</a>* pVertexDecl);</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;<span class="comment">//--更新加强</span></div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;<span class="comment">// 该函数抛弃旧版内容,虽然可以改写原函数</span></div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;<span class="comment">// 但是，因为，要背历史包袱，就写个新的呃。</span></div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;        <span class="keywordtype">void</span>    <a class="code" href="classc_ground.html#adbb9343a4b2e12e9ab0c6f61f41e3367" title="创建顶点格式有，颜色地形。">init_color_ground</a>(D3DXVECTOR3 Center =Zero, </div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;                D3DXCOLOR Color1 =GRAY, D3DXCOLOR Color2 =BLACK);</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;        <span class="keywordtype">void</span>    <a class="code" href="classc_ground.html#abc14d0f94f916dfecff6c089ee40d1c5" title="创建顶点格式有，法线地形。">init_light_ground</a>(D3DXVECTOR3 Center =Zero);</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;        <span class="keywordtype">void</span>    <a class="code" href="classc_ground.html#a8bfbe85e12fa0a7fe4d17bb4db41a644" title="创建顶点格式有，法线，纹理地形。 纹理坐标在[0,+infinite]。">init_tex_ground</a>(D3DXVECTOR3 Center =Zero, <span class="keywordtype">float</span> Scale =1.0f);</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;        <span class="keywordtype">void</span>    <a class="code" href="classc_ground.html#a8fbe7e39d57f075f82c347ffc92de732" title="创建顶点格式有，法线，纹理地形。 纹理坐标控制在[0,1]。">init_tex_groundV1</a>(D3DXVECTOR3 Center =Zero);</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;<span class="comment">//-1-</span></div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;<span class="comment"></span>        <span class="keywordtype">void</span>    <a class="code" href="classc_ground.html#a3542ae5dc722502d41c8622be404f19b" title="生成地形网格。">init_light_tex_ground_mesh</a>(<a class="code" href="classc_vertex_decl.html">cVertexDecl</a>* pVertexDecl, </div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;                <a class="code" href="classc_height_map.html" title="提供Y值给地形。 加载外部高度图文件。地图行和列的顶点数必须为2^n+1；">cHeightMap</a> * pHeightMap, D3DXVECTOR3 Center =Zero, <span class="keywordtype">bool</span> bOptimize =<span class="keyword">true</span>);</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;        <span class="keywordtype">void</span>    <a class="code" href="classc_ground.html#a4a03bf1094d7dc6dd16b236c1a8e1d13" title="渲染网格，仅一行代码：_pMesh-&gt;DrawSubset(0);">draw_light_tex_mesh_Ground</a>();</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;<span class="comment">//-1-</span></div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;</div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;        <span class="keywordtype">void</span>    <a class="code" href="classc_ground.html#aa2b0848f0b8222a09a4f6a69cc0ad94d" title="生成地形。">init_light_tex_ground_sub_mesh</a>(<a class="code" href="classc_vertex_decl.html">cVertexDecl</a>* pVertexDecl,</div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;                <a class="code" href="classc_height_map.html" title="提供Y值给地形。 加载外部高度图文件。地图行和列的顶点数必须为2^n+1；">cHeightMap</a>* pHeightMap, D3DXVECTOR3 Center =Zero);</div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;</div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;        <span class="keywordtype">void</span>    <a class="code" href="classc_ground.html#aaddd7dd3b174fcf7836e114ebffb916a" title="渲染地形。 内部是循环渲染子地形块。">draw_light_tex_sub_mesh_ground</a>();</div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;</div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;        <span class="keywordtype">float</span>   <a class="code" href="classc_ground.html#a52dd90812d5dbb10703c2dc38ff10c73" title="给出位置得到所处的高度">get_light_texGround_sub_mesh_Y</a>(<a class="code" href="classc_height_map.html" title="提供Y值给地形。 加载外部高度图文件。地图行和列的顶点数必须为2^n+1；">cHeightMap</a>* pHeightMap,</div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;                <span class="keywordtype">float</span> Row, <span class="keywordtype">float</span> Col);</div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;<span class="keyword">protected</span>:</div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;        <span class="keywordtype">void</span>    <a class="code" href="classc_ground.html#aafa93a358aa970dccce4ed1a07b0f99b" title="被init_light_tex_ground_sub_mesh（）内部调用。">sub_mesh</a>(RECT&amp; Rect, vector&lt;LightTextureVertexV1&gt;&amp; GobalVertex,</div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;                                           <a class="code" href="classc_vertex_decl.html">cVertexDecl</a>* pVertexDecl);</div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;<span class="keyword">private</span>:</div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;        IDirect3DDevice9* _pDevice;</div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;        <span class="keyword">const</span> <a class="code" href="struct_terrain.html" title="地形配置,来主导生成地形。">Terrain</a>&amp; _Terrain; <span class="comment">// 地形的结构体描述</span></div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;        IDirect3DVertexBuffer9* _pVertexBuffer;</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;        IDirect3DIndexBuffer9* _pIndexBuffer;</div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;</div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;        <span class="comment">// 地形顶点，索引，法线，纹理坐标都在网格里</span></div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;        ID3DXMesh*      _pMesh;  <span class="comment">// 地形的整个网格</span></div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;        vector&lt;ID3DXMesh*&gt; _pSubMesh; <span class="comment">// 地形的子网格</span></div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;        vector&lt;sBoundBox&gt; _BoundBoxList; <span class="comment">// 地形的包围框</span></div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;</div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;};</div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;<span class="comment">//网格的层次更高，包含了vertexbuff,indexbuff;</span></div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;</div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;</div>
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